The lessons in this book will teach you how to solve every level of Killer Sudoku even the hardest puzzles! The book starts by covering regular Sudoku and Killer Sudoku tips. After that, the book offers a step by step guide through two complete puzzles of the hardest Killer Sudoku out there. Also included are 10 FREE puzzles with solutions. Enjoy the mind bending challenge of Killer Sudoku!
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